-- horrific mass murder in suburban Houston six family members shot dead most of them kids. The seventh fighting for her -- this morning. After a nerve -- standoff with the children's father he's now under arrest accused of opening fire on his own family ABC's to -- Bradley has the details. A dramatic chase through streets near Houston followed by -- tense three hour standoff ended the these -- their suspect authorities say this man was not yet been identified killed six people four of them this children. The kids were ages 479. And -- It's just terrible -- -- Around 6 o'clock last night police rushed to this house after the suspects fifteen year old daughter called 911. Despite being shot in the head she managed ID the shooter. Authorities are not saying how the two adults who were killed or connected to the children but they say the gunman and his wife are strange. And that all of the children were there. Here just to be so bad domestic. This -- The wounded fifteen year old girl also told authorities the man planted go to her grandparents' home and killed them that tip helped police intercept the suspect we. Quickly but our broadcast dispatched units of the -- really -- up. Actual treatment wouldn't know the exact address which station possible deputies on -- tree about five minutes after we did that become driving the man's. Fled the scene was followed by nearly two dozen patrol vehicles. They're trying to get the car stopped. Officers box the suspect into this called a sack and armored vehicle ramming into his car. After hours of negotiations the man emerge from his car and was arrested. -- Bradley ABC news Washington.

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